Greater Anglia trains between Romford and Upminster have been suspended due to a broken down train. Tickets are being accepted on buses and C2C services.
Disruption on Greater Anglia between Liverpool Street and Hertford East, between Liverpool Street and Cheshunt and between Liverpool Street and Cambridge due to overhead line problems at Northumberland Park.
Trains from London are diverting via Seven Sisters while repairs take place. Stopping services between London / Cheshunt are suspended until around 07:00 this morning.
Delays of up to one hour on Greater Anglia between Liverpool Street and Cambridge, and between Liverpool Street and Bishops Stortford due to obstruction on the line at Roydon.
Also affecting the Stansted Express.
Greater Anglia trains going to and from Liverpool Street are being delayed by up to 30 minutes after a vehicle collided with a bridge at Bow.
Train services between Hertford East and Ware have been disrupted because of a signalling problem.
Bus services are running between the stations and Greater Anglia ticket holders can use their tickets on London Underground and First Capital Connect services from Hertford North.
There are delays to Greater Anglia services between Shenfield and Liverpool Street this morning after thieves stole cables from the line near Romford. Greater Anglia tickets are valid on local bus routes, C2C trains and the District Line.
Some services on Greater Anglia Trains are being affected by a fire at Edmonton Green. Trains are suspended between Seven Sisters and Enfield Town and between Cheshunt and Seven Sisters.